SaunaLife
SaunaLife S4N Wood-Burning Hot Tub – Natural, Up to 6 Persons
SaunaLife S4N Wood-Burning Hot Tub – Natural, Up to 6 Persons
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SaunaLife Model S4N – Wood-Burning Hot Tub (Natural Thermo-Spruce Finish), Up to 6 Persons
Transform your outdoor space into a spa-quality immersion retreat. With a premium wood-fired heater included, eco-friendly build, full-body capacity and no electrical hookup required, this tub offers the ultimate escape for relaxation, recovery and connection.
(See the “Shipping Info” tab for delivery details.)
Why Choose This Tub—and Why It Matters
Whether you’re hosting friends, unwinding solo after an intense workout, or creating a backyard wellness sanctuary, the Model S4N delivers indulgence and performance.
Crafted for up to 6 bathers, with 304 gallons of water capacity, an ergonomic fiberglass interior and Thermo-Spruce exterior rated to last up to 2× longer than cedar.
The built-in wood-fired heater makes this hot tub truly self-contained—no electricity connection required. Heat-up to ideal temperatures in under 2 hours.
Key Features & Benefits
- Wood-Burning Heater Included — The stainless-steel dual-chamber wood stove is integrated; you provide the firewood, and the result is fast, efficient heating.
- Large Capacity – ~304 Gallons — Spacious enough for 6 people or a luxurious solo soak.
- Thermo-Spruce Exterior Wood — Highly durable, weather-resistant wood finish that lasts up to twice as long as standard cedar.
- Ergonomic Fiberglass Interior — Comfortable seating, deep soak, easy to keep clean.
- Eco-Friendly & Electric-Free — No need for electric hookups; the wood-fired design is perfect for remote or off-grid outdoor spaces.
- Premium Finishing & Accessories Included — Comes fully assembled, includes steps, insulated cover, drain tap and polished chimney.
Specs at a Glance
| Feature | Detail |
|---|---|
| Exterior Dimensions | 79″ diameter × 37″ high (approx.) |
| Interior Dimensions | 71″ diameter × 33″ deep (approx.) |
| Water Capacity | ~304 gallons |
| Materials | Thermo-Spruce wood exterior, fiberglass interior lining |
| Heater/Stove | 304 stainless-steel wood-burning heater with dual chambers |
| Heat-up Time | Approx. 1.5-2 hours from cold to ~95 °F (35 °C) |
| Capacity | Up to 6 persons |
Installation & Maintenance
- Site Preparation: Requires a stable, level surface capable of supporting the filled tub (3000+ lbs). Access for chimney stack and safe fire-wood handling recommended.
- Delivery & Setup: Arrives fully assembled—just unpack, place, connect stove/chimney and fill with water.
- Usage: Add fire wood, ignite, and briskly heat water. Monitor safe fire practices and local regulations.
- Maintenance: Rinse interior regularly, drain and refill per usage, protect exterior wood with standard outdoor maintenance.
- Outdoor Use: Thermo-Spruce is weather-resistant; ensure proper chimney clearance, fire-code compliance and winterizing if needed.
Trust & Guarantees
- Limited Lifetime Warranty: The SaunaLife brand backs its structure with a limited lifetime warranty for residential use.
- Crafted in Northern Europe: Designed and manufactured with Scandinavian precision and wood-craft heritage.
- Authorized Dealer Support: Materials and components are vetted; replacement parts and support are available via authorized channels.
- Premium Materials Guarantee: Thermo-Spruce exterior rated to last twice as long as standard cedar; tested and certified.
If you’re ready to elevate your outdoor wellness zone, entertain friends in spa-style comfort, or simply soak under the stars in luxury, the SaunaLife Model S4N delivers unmatched quality, performance and aesthetics. With the wood-burning heater included, you’re equipped to embrace true outdoor soaking—no electric hookup, no compromise.
Trust in craftsmanship. Embrace relaxation. Own the experience.

- Description
- SaunaLife Warranty
- SaunaLife Shipping
SaunaLife Model S4N – Wood-Burning Hot Tub (Natural Thermo-Spruce Finish), Up to 6 Persons
Transform your outdoor space into a spa-quality immersion retreat. With a premium wood-fired heater included, eco-friendly build, full-body capacity and no electrical hookup required, this tub offers the ultimate escape for relaxation, recovery and connection.
(See the “Shipping Info” tab for delivery details.)
Why Choose This Tub—and Why It Matters
Whether you’re hosting friends, unwinding solo after an intense workout, or creating a backyard wellness sanctuary, the Model S4N delivers indulgence and performance.
Crafted for up to 6 bathers, with 304 gallons of water capacity, an ergonomic fiberglass interior and Thermo-Spruce exterior rated to last up to 2× longer than cedar.
The built-in wood-fired heater makes this hot tub truly self-contained—no electricity connection required. Heat-up to ideal temperatures in under 2 hours.
Key Features & Benefits
- Wood-Burning Heater Included — The stainless-steel dual-chamber wood stove is integrated; you provide the firewood, and the result is fast, efficient heating.
- Large Capacity – ~304 Gallons — Spacious enough for 6 people or a luxurious solo soak.
- Thermo-Spruce Exterior Wood — Highly durable, weather-resistant wood finish that lasts up to twice as long as standard cedar.
- Ergonomic Fiberglass Interior — Comfortable seating, deep soak, easy to keep clean.
- Eco-Friendly & Electric-Free — No need for electric hookups; the wood-fired design is perfect for remote or off-grid outdoor spaces.
- Premium Finishing & Accessories Included — Comes fully assembled, includes steps, insulated cover, drain tap and polished chimney.
Specs at a Glance
| Feature | Detail |
|---|---|
| Exterior Dimensions | 79″ diameter × 37″ high (approx.) |
| Interior Dimensions | 71″ diameter × 33″ deep (approx.) |
| Water Capacity | ~304 gallons |
| Materials | Thermo-Spruce wood exterior, fiberglass interior lining |
| Heater/Stove | 304 stainless-steel wood-burning heater with dual chambers |
| Heat-up Time | Approx. 1.5-2 hours from cold to ~95 °F (35 °C) |
| Capacity | Up to 6 persons |
Installation & Maintenance
- Site Preparation: Requires a stable, level surface capable of supporting the filled tub (3000+ lbs). Access for chimney stack and safe fire-wood handling recommended.
- Delivery & Setup: Arrives fully assembled—just unpack, place, connect stove/chimney and fill with water.
- Usage: Add fire wood, ignite, and briskly heat water. Monitor safe fire practices and local regulations.
- Maintenance: Rinse interior regularly, drain and refill per usage, protect exterior wood with standard outdoor maintenance.
- Outdoor Use: Thermo-Spruce is weather-resistant; ensure proper chimney clearance, fire-code compliance and winterizing if needed.
Trust & Guarantees
- Limited Lifetime Warranty: The SaunaLife brand backs its structure with a limited lifetime warranty for residential use.
- Crafted in Northern Europe: Designed and manufactured with Scandinavian precision and wood-craft heritage.
- Authorized Dealer Support: Materials and components are vetted; replacement parts and support are available via authorized channels.
- Premium Materials Guarantee: Thermo-Spruce exterior rated to last twice as long as standard cedar; tested and certified.
If you’re ready to elevate your outdoor wellness zone, entertain friends in spa-style comfort, or simply soak under the stars in luxury, the SaunaLife Model S4N delivers unmatched quality, performance and aesthetics. With the wood-burning heater included, you’re equipped to embrace true outdoor soaking—no electric hookup, no compromise.
Trust in craftsmanship. Embrace relaxation. Own the experience.
SAUNA LIFE SAUNA LIMITED LIFETIME WARRANTY
Sauna Life extends this Limited Warranty solely to the original retail consumer purchaser of any Sauna Life sauna purchased from one of its authorized resellers.
LIMITED LIFETIME SAUNA WARRANTY
Sauna Life warrants that the Sauna Life sauna shall be free from defects in workmanship under normal conditions of use and service for the lifetime of the sauna for residential applications after delivery to the original retail purchaser. This warranty is limited to making good any factory assembled component which in the judgment of Sauna Life is deemed defective in workmanship. The warranty does not cover normal material wear, natural weathering of the lumber, or installation or delivery of components and applies only to the original retail purchaser.
WARRANTY PERFORMANCE
For any warranty service, Sauna Life reserves the right to choose, at its option, repair of the problem or a replacement of the defective part. Sauna Life reserves the right to substitute a part or component of
equivalent value, either new or factory reconditioned, and any such repair or replacement shall assume as its warranty only the remaining portion of the warranty on the original product. In the event Sauna Life chooses to repair any malfunction or defect covered by this warranty, a return authorization will be is- sued, and the component will be returned prepaid freight to Sauna Life for repair of the defect. Sauna Life will then ship the component back the original retail purchaser upon completion of the repair. Prior to any return, contact Sauna Life at: Sauna Life, 511 Glenn Avenue, Wheeling, Illinois 60090, telephone number: (800) 957-2862, for packaging and shipping instructions and a return authorization number. In addition, Sauna Life will require photographs of any defect and reserves the right to inspect or designate an agent to inspect any part that is claimed to be defective and covered by this warranty. Labor charges and related expenses for removal, installation, or replacement of the sauna or its components are not covered under this warranty. Normal wear and tear, cosmetic issues or changes to individual pieces of lumber due to nat- ural aging and weathering are not covered. Sauna heaters and added components are not covered by this warranty.
ACTS INVALIDATING WARRANTY
This warranty is void if the Sauna Life sauna has been subject to alteration, misuse or abuse, commercial use, or if any repairs on the sauna are attempted by anyone other than an authorized representative of Sauna Life. Alteration shall include, but is not limited to, deviation from the original assembly instructions, component change, or the addition of any non-approved device or heating system, which contributes to a component or unit failure, or unsafe operating system. Use of the sauna in an application for which it is not designed will void this warranty. This includes, but is not limited to, damage caused by operation above safe sauna operating temperatures, damage caused by added components, damage to the sauna’s surface caused by harsh chemicals, damage caused by movement of the product, and damage caused by acts of God.
DISCLAIMERS
Except as expressly provided above, Sauna Life makes no other representation or warranty, express or im- plied, either in fact or operation of law, statute, or otherwise, and Sauna Life specifically disclaims any and all implied or statutory warranties, including warranties or merchantability and of fitness for a particular purpose. Sauna Life shall not be liable for loss of use of the Sauna Life sauna or other incidental or conse- quential costs, expenses, or damage, which may include but are not limited to, the removal of or reinstal- lation of a wall, deck or other fixture, water leakage, costs of shipping or packaging, applicable taxes, or the payment of any costs or expenses of disassembly, removal, or reinstallation of the product or any part. Your rights may vary from state to state. Under no circumstances shall Sauna Life or its representatives be held liable for injury to any person or damage to any property, however arising, even if caused by the Sau- na Life Sauna or its representatives’ negligence. No distributor, salesperson, dealer, retailer, or other rep- resentative of Sauna Life has the authority to alter or change these warranties either orally or in writing.
Flat Rate Freight: Flat rate shipping to the contiguous United States. Note: On rare occasions, remote or complex delivery areas may not qualify for these rates.
About This Delivery: The weight and packaging of this handcrafted tub requires delivery by special appointment. It arrives on a wooden pallet encased in wood for solid protection. The driver is responsible for “curbside delivery only” and will lower the item to ground level. Prior to shipping this product, we often contact customers to share shipment details and discuss any extenuating delivery circumstances that may complicate or cause additional delivery expenses. Our goal is to ensure your project’s success.
5.0
SaunaLife S4N Wood-Burning Hot Tub – Natural, Up to 6 Persons Review Summary
5.0
What people like
Pros
- Easy Setup: Arrives fully assembled and is easy and quick to set up, with some users reporting setup in about an hour.
- Rapid Heating: Heats water significantly faster than traditional wood-fired hot tubs, warming 304 gallons from 40°F to 95°F in 1.5 to 2 hours.
- High Quality: Features durable thermo-spruce materials (lasting up to 2X longer than cedar) and an ergonomically shaped fiberglass liner, ensuring superior weather resistance and a well-built feel.
- Efficient Operation: Utilizes a self-cleaning corrugated stove that reduces wood consumption by up to 50% and requires no electrical connection.
- Comfortable & Spacious: Designed to comfortably accommodate up to 6 people with an ergonomic tub and easy-to-clean interior surface.
- Includes Accessories: Comes with a cover and steps, which are often extra costs on other models.
- Excellent Heat Retention: The hot tub is noted for staying hot for a long time, retaining heat effectively.
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